//calculating no of bits//
//example 15//
clc
//clears the command window//;
clear
//clears//
disp('resolution=voltage corresponding to LSB')
//weight of LSB=1/2^n,where n=no. of bits//
disp('Voltage corresponding to LSB=1/2^n*10;which should be equal to resolution which is 10mv')
disp('therefore 2^n=1000')
disp('n=10');//nearest value of n which satisfies the equation is 10//
//result is displayed//